Home / 21,019.03-31,490.09-16,525.77

Finding the Fourth Proportional to 21,019.03, 31,490.09 and 16,525.77

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Solution

The fourth proportional to 21,019.03, 31,490.09 and 16,525.77 is: 24,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019.03 : 31,490.09 = 16,525.77 : x
  2. Step 2: Convert to fraction form
    21,019.03/31,490.09 = 16,525.77/x
  3. Step 3: Cross multiply
    21,019.03x = 31,490.09 × 16,525.77
  4. Step 4: Simplify right side
    21,019.03x = 520,398,069.48
  5. Step 5: Solve for x
    x = 520,398,069.48/21,019.03
  6. Step 6: Final answer
    x = 24,758.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.